gistfile1.txt

[BroadcastReceiver(Enabled = true)]
   	[IntentFilter(new string[] { "android.provider.Telephony.SMS_RECEIVED"})]
   	public class SMSReceiver : Android.Content.BroadcastReceiver
   	{
		protected string logTag = "SMSExample";
		
		public static readonly string INTENT_ACTION = "android.provider.Telephony.SMS_RECEIVED";

		public override void OnReceive(Context context, Intent intent)
		{
			if (intent.Action == INTENT_ACTION)
		   	{
				Bundle bundle = intent.Extras;
				
				if (bundle != null)
				{
					var pdus = bundle.Get ("pdus");
					Java.Lang.Object[] castedPdus = JNIEnv.GetArray<Java.Lang.Object>(pdus.Handle);
					
					var msgs = new SmsMessage[castedPdus.Length];
					
					var str = string.Empty;
					for( int i = 0; i < msgs.Length; i++)
					{
						// Works
						//var bytes = new Byte[JNIEnv.GetArrayLength(castedPdus[i].Handle)];
						//JNIEnv.CopyArray(castedPdus[i].Handle, bytes);
						
						// Fails
						//var bytes = JNIEnv.GetArray<Byte>(castedPdus[i].Handle);
						
						msgs[i] = SmsMessage.CreateFromPdu(bytes);
				        str = "SMS from " + msgs[i].OriginatingAddress;                     
				        str += " :";
				        str += msgs[i].MessageBody.ToString();
				        str += "\n";        
				    	
					}	
					
					Toast.MakeText(context, str, ToastLength.Short).Show();
				}
		   }
		}
   }